pen15

it stands for penis

Online jargon, also known as text message shorthand, used in texting, online chat, instant messaging, email, blogs, and newsgroup postings, it is considered a form of leetspeak because it is composed of numbers as well as letters.

For the largest list of Internet acronyms and text message jargon, click on "more info" below!
See also : 53X  CU46  LH6  banana  
NetLingo Classification: Acronyms and Text Message
Updates
See more information about this term